Temperature range: 50 degree C to 600 degree C (-58-1112 degree F) Accuracy (23 C 3 C) - 50 C (- 58 F) at 100 C (- 212 C) + 2 C (- 32 C); Before (+2 C) or (+2%), any greater than or equal to (+2%) Adjustable 0.10-1.00 Distance point size 12:1 Spectral Response 8-14 Um and 500 UXO Data retention function: Yes Indicator Hot Spot Location Yes Power supply: 3V 3AAA*2 alkaline battery 1 Unit H600 Infrared Thermometer Content Chart description: One Start button/step: When the LCD screen opens, the temperature is measured by scanning. If there is no keyboard, the read status is displayed using the retained icon. The operation unit will be automatically closed within 20 seconds. Three Temperature Unit Selection Key (C/F) Style: Handheld Display Size: 1.9 Inches and Under Display Type: Digital Max Measuring Temperature: 120°C and Above Model Number: GM550E Usage: Industrial Theory: Infrared Thermometer Power Type: 9V battery(Not included) Item: non-contact IR infrared temperature Type: infrared thermometer Temperature range: -50~550degree(-58~1022Fdegree) LCD backlight display: Yes Auto power off and data hold: Yes Object distance to spot size: 12:1 Resolution: 0.1C/F Repeatability: +-1% of reading or 1 degree Response time: 500 ms, 95% response Spectral response: 8-14um Size: 140*70*27mm Color: Yellow and black Material: plastic Package Contents: 1 * Temperature pyrometer 1 * English manual Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.